PHALCON ERROR:

Message: Call to a member function getLang() on null
File: /home/royalnew/domains/royal.vietnhansoft.vn/public_html/app/controllers/PriceController.php (Line: 29)

#0 [internal function]: PriceController->laithuAction()
#1 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->callActionMethod()
#2 [internal function]: Phalcon\Dispatcher\AbstractDispatcher->dispatch()
#3 /home/royalnew/domains/royal.vietnhansoft.vn/public_html/index.php(52): Phalcon\Mvc\Application->handle()
#4 {main}